Answer : Here is many about Arabic keyboard application software that can installed on the Samsung GT-P5100 / P5110 Galaxy Tab 2 10.1.

1. Yoolki Arabic Keyboard – Firefox Addon on Samsung GT-P5100 / P5110 Galaxy Tab 2 10.1. Just open right click any text field and select "Write Arabic here" to write in Arabic using an English keyboard. The add-on can transliterate your English letters (ex: akala el waladou el touffA7ah to أَكَلَ الوَلَدُ التُفاحَة) or translate English to Arabic using Google translate. (ex: The boy ate the apple). Here this link :